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InterSystems interview notes, page 2 of 2

Large Enterprises

Screna has 12 InterSystems interview write-ups. The most reported round is the technical phone screen (9).

12 interview notes · updated Jul 2026

InterSystems·Software Engineer·Technical Phone Screen

Jun 2026
InterSystems software engineer interview where they hand you a chunk of their own real code and ask you to tear it apart. Not a leetcode grind, more like a code review session with someone watching over your shoulder.
  • You are given a snippet of real code from the interviewer's codebase. Walk through it, identify any bugs or design issues, propose fixes, and reason through edge cases. The interviewer will give hints if you get stuck.

“This format tripped me up more than I expected.”

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InterSystems·Software Engineer·Technical Phone Screen

Jun 2026
Got a coding question at InterSystems that involved reading ObjectScript, which I had basically never touched before. It was a technical phone screen and the whole thing hinged on whether you could trace through some pretty niche language semantics under pressure.
  • Given a snippet of ObjectScript code where a global variable acts as a two-level ordered hashmap, trace through the execution step by step and predict the exact output. The key operation is a reverse-order iteration over the second-level subscript keys using $order with a direction argument of -1.

“I had never written a line of ObjectScript in my life and they just dropped this on me.”

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